Sample PR-33
NavDat sample number 47823 · TRACHYTE
Sample
| Sample ID | PR-33 |
|---|---|
| Rock name | TRACHYTE |
| Rock type | VOLCANIC |
| Composition | INTERMEDIATE |
| Material | IGNEOUS |
| Collected by | John Bush |
| Comment | flow |
Location
| Latitude | 46.8856 |
|---|---|
| Longitude | -116.852 |
| State / province | Idaho |
| Volcanic field | Potlatch volcanics |
Age
| Age (Ma) | Error | Min | Max | Geologic age | Dated by |
|---|---|---|---|---|---|
| 28.75 | 23.8 | 33.7 | Oligocene |
Analyses
Whole rock
| Item | Value | Std. dev. | Unit | Method |
|---|---|---|---|---|
| SIO2 | 69.36 | WT% | XRF | |
| TIO2 | 0.25 | WT% | XRF | |
| AL2O3 | 17.13 | WT% | XRF | |
| FEO | 1.49 | WT% | XRF | |
| MNO | 0.03 | WT% | XRF | |
| MGO | 0.06 | WT% | XRF | |
| CAO | 0.6 | WT% | XRF | |
| NA2O | 5.44 | WT% | XRF | |
| K2O | 6.05 | WT% | XRF | |
| P2O5 | 0.07 | WT% | XRF | |
| NI | 12 | PPM | XRF | |
| CR | 2 | PPM | XRF | |
| SC | 0 | PPM | XRF | |
| V | 14 | PPM | XRF | |
| BA | 277 | PPM | XRF | |
| RB | 118 | PPM | XRF | |
| SR | 37 | PPM | XRF | |
| ZR | 730 | PPM | XRF | |
| Y | 101 | PPM | XRF | |
| NB | 102.6 | PPM | XRF | |
| GA | 34 | PPM | XRF | |
| CU | 0 | PPM | XRF | |
| ZN | 143 | PPM | XRF | |
| PB | 8 | PPM | XRF | |
| LA | 239 | PPM | XRF | |
| CE | 334 | PPM | XRF | |
| TH | 17 | PPM | XRF |